<http://schema.org/headline>
"\u7528\u4E8C\u6B21\u51FD\u6570\u5B9E\u73B0\u5E73\u6ED1\u7684\u624B\u52BF\u9A71\u52A8\u52A8\u753B"^^<http://www.w3.org/2001/XMLSchema#string>
<http://kittenyang.com/function-animtion/>